os::current_thread_cpu_time_info(jvmtiTimerInfo *info_ptr)
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//Linux版(jdk7/hotspot/src/os/linux/vm/os_linux.cpp) void os::current_thread_cpu_time_info(jvmtiTimerInfo *info_ptr) { info_ptr->max_value = ALL_64_BITS; // will not wrap in less than 64 bits info_ptr->may_skip_backward = false; // elapsed time not wall time info_ptr->may_skip_forward = false; // elapsed time not wall time info_ptr->kind = JVMTI_TIMER_TOTAL_CPU; // user+system time is returned }